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Loose Antique Diamonds

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Round Brilliant Cut Loose Diamond 0.94 ct
Located in Laguna Beach, CA
Loose .94 carat round brilliant cut No grading certificate. Grading is done by a GIA graduate
Category

Early 20th Century Loose Antique Diamonds

Materials

Diamond

Stunning 0.51ct M SI2 Round Cut Natural Loose Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 53634 Stone Shape: Round Cut Diamond Diamond Weight: 0.51 CT Clarity: SI2
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

GIA Certified 0.58CT F SI2 Round Brilliant Loose Diamond
Located in New York, NY
ITEM DESCRIPTIO ID #: 56573 Stone Shape: Round Brilliant Diamond Weight: 0.58CT Clarity: SI2 Color
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

GIA Certified 0.81CT L VS1 Old European Loose Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 53240 Stone Shape: Old European Diamond Weight: 0.81CT Clarity: VS1 Color
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

Natural Loose Diamond 0.50 Carat J SI2 Marquise Engagement Closeouts
Located in New York, NY
ITEM DESCRIPTION ID #: 54109 Stone Shape: Marquise Diamond Weight: 0.50CT Clarity: SI2 Color: J-K
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

Rare 0.84 Carat G SI2 Horse Head Natural Loose Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 55473 Stone Shape: Horse Head Diamond Weight: 0.84 CT Clarity: SI2 Color: G
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

GIA Certified 0.76CT Q-R I3 Round Brilliant Loose Diamond
Located in New York, NY
ITEM DESCRIPTIO ID #: 56576 Stone Shape: Round Brilliant Diamond Weight: 0.76CT Clarity: I3 Color
Category

15th Century and Earlier Loose Antique Diamonds

Materials

Brown Diamond

GIA Certified 0.58CT S-T I2 Round Brilliant Loose Diamond
Located in New York, NY
ITEM DESCRIPTIO ID #: 56566 Stone Shape: Round Brilliant Diamond Weight: 0.58CT Clarity: I2 Color
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

GIA 0.77CT Fancy Deep Brownish Yellow SI1 Oval Cut Loose Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 53112 Stone Shape: Oval Diamond Weight: 0.77CT Clarity: SI1 Color: Fancy
Category

15th Century and Earlier Loose Antique Diamonds

Materials

Brown Diamond

Natural Loose 1.97 carat Horse Head Diamond
Located in New York, NY
ITEM DESCRIPTION Stone Shape: Horse head Diamond Diamond Weight: 1.97 CT Our Price: $9999.00 A
Category

18th Century Art Deco Loose Antique Diamonds

Materials

Diamond

Natural Loose 0.53 H I1 Hexagonal Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 55821 Stone Shape: Hexagonal Diamond Diamond Weight: 0.53 CT Clarity: I1
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

Natural Loose 1.16 M SI Round Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 56813 Stone Shape: Round Brilliant Diamond Weight: 1.16 CT Clarity: SI
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

Natural Loose 1.76 L SI1 Round Cut Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 56812 Stone Shape: Round Cut Diamond Diamond Weight: 1.76 CT Clarity: SI1
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

Natural Loose 0.52 J VS2 Emerald Cut Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 55901 Stone Shape: Emerald Cut Diamond Diamond Weight: 0.52 CT Clarity: VS2
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

Natural Loose 1.33 L I1 Round Cut Diamond
Located in New York, NY
ITEM DESCRIPTION ID #:56811 Stone Shape:Round brilliant Diamond Weight:1.33 CT Clarity: I1 Color: L
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

Natural Loose 1.20 Carat M SI Round Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 56814 Stone Shape: Round Brilliant Diamond Weight: 1.20 CT Clarity: SI Color
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

Natural Loose 0.48 J VSI Kite Cut Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 53593 Stone Shape: Kite Diamond Weight: 0.48 CT Clarity: VSI Color: J
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

Gia Certified 0.19 Carat Light Purplish I1 Loose Old European Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC57087 Stone Shape: CIRCULAR BRILLIANT Diamond Weight: 0.19 CT Clarity: I1
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

6.42ct Old Mine Cut Antique Vintage Diamond - Unique !
Located in Ramat Gan, IL
6.42ct Old Mine Cut Antique Vintage Diamond – A Rare and Remarkable Treasure Step into timeless
Category

19th Century Loose Antique Diamonds

Materials

Diamond

1.01 Ct Old Mine Cut Diamond - GIA Certified!
Located in Ramat Gan, IL
1.01ct Old Mine Cut Diamond – Antique Charm with Soul M Color SI2 Clarity Vintage Cushion Shape
Category

19th Century Loose Antique Diamonds

Materials

Diamond

GIA Certified 1.02 ct Natural Marquise Diamond
Located in New York, NY
ITEM DESCRIPTION Stone Shape: Marquise Diamond Weight: 1.02 Carat Color: F Cut: Modified Brilliant
Category

16th Century Loose Antique Diamonds

Materials

Diamond

Round Brilliant Cut 0.98 Carat Diamond - GIA Certified
Located in New York, NY
This stunning round brilliant cut diamond showcases an exceptional blend of craftsmanship and
Category

16th Century Loose Antique Diamonds

Materials

Diamond

GIA Certified 0.62CT J SI1 Marquise Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 54274 Stone Shape: Marquise Diamond Weight: 0.62CT Clarity: SI1 Color: J
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

Extremely Rare 5.98 Carat Elephant Cut Black Diamond
Located in New York, NY
Unlock the allure of mystery and rarity with this exquisite elephant cut black diamond. This
Category

15th Century and Earlier Loose Antique Diamonds

Materials

Black Diamond

HRD Certified 1.03ct Old-European Cut Diamond
Located in Esch sur Alzette, Esch-sur-Alzette
The HRD Certified 1.03ct Old-European Cut Diamond is a captivating gemstone known for its vintage
Category

Early 20th Century European Art Deco Loose Antique Diamonds

Materials

Diamond

GIA Certified 0.62CT Round Brilliant Fancy Grey Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 53328 Stone Shape: Round Diamond Weight: 0.62CT Clarity: SI1 Color: Very
Category

15th Century and Earlier Loose Antique Diamonds

Materials

Yellow Diamond

GIA certified Exquisite 1.01ct Pear-Cut Natural Diamond SI2 M
Located in New York, NY
Discover the enchanting beauty of this pear-shaped diamond, meticulously crafted with a multitude
Category

Early 17th Century Loose Antique Diamonds

Materials

Diamond

Gia Certified 0.80 Carat K Si2 Cushion Brilliant Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC55566 Stone Shape: CUSHION MODIFIED BRILLIANT Diamond Weight: 0.80ct
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

Gia Certified 1.50 Carat G Vvs2 Round Brilliant Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56426 Stone Shape: ROUND BRILLIANT Diamond Weight: 1.50 CT Clarity: VVS2
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

GIA Certified 0.25 CT Light Pink Old European Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 54283 Stone Shape: ROUND ROSE CUT Diamond Weight: 0.25 CT Clarity: None
Category

15th Century and Earlier Loose Antique Diamonds

Materials

Pink Diamond

10/0.59 Carat Star Shape G Color Vvs1 Clarity Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56460 Stone Shape: STAR DIAMOND Diamond Weight: 0.59ct (10 diamonds
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

10/0.59 Carat Star Shape G Color Vvs2 Clarity Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56458 Stone Shape: STAR DIAMOND Diamond Weight: 0.59ct (10 diamonds
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

GIA Certified 1.24CT Fancy Brownish Yellow VS1 Radiant Cut Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 54736 Stone Shape: Radiant Diamond Weight: 1.24CT Clarity: VS1 Color
Category

15th Century and Earlier Loose Antique Diamonds

Materials

Yellow Diamond

GIA Certified 1.31CT Fancy Brownish Yellow VVS1 Oval Cut Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 55226 Stone Shape: Oval Diamond Weight: 1.31CT Clarity: VVS1 Color: Fancy
Category

15th Century and Earlier Loose Antique Diamonds

Materials

Yellow Diamond

0.99 Carat Round Brilliant Gia Certified Light Gray I2 Clarity Diamond
Located in New York, NY
EM DESCRIPTION ID #: NYC54870 Stone Shape: ROUND BRILLIANT Diamond Weight: 0.99ct Clarity: I2 Color
Category

15th Century and Earlier Loose Antique Diamonds

Materials

Diamond

0.77 Carat Emerald Cut Gia Certified H Color Internally Flawless Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NY56827 Stone Shape: EMERALD CUT Diamond Weight: 0.77ct Clarity: INTERNALLY
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

0.92 Carat Cushion Brilliant Gia Certified G Color I2 Clarity Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC55795 Stone Shape: CUSHION MODIFIED BRILLIANT Diamond Weight: 0.92ct
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

0.59 Carat Emerald Cut Gia Certified E Color Vs1 Clarity Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NY56718 Stone Shape: EMERALD CUT Diamond Weight: 0.59ct Clarity: VS1 Color
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

0.70 Carat Cushion Brilliant Gia Certified F Color Si1 Clarity Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56769 Stone Shape: CUSHION MODIFIED BRILLIANT Diamond Weight: 0.70ct
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

1.02 Carat Pear Brilliant Gia Certified L Color Vs2 Clarity Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56925 Stone Shape: PEAR MODIFIED BRILLIANT Diamond Weight: 1.02ct Clarity
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

0.84 Carat Pear Brilliant Gia Certified G Color Si1 Clarity Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56870 Stone Shape: MODIFIED PEAR BRILLIANT Diamond Weight: 0.84ct Clarity
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

0.38 Carat Round Brilliant Gia Certified H Color I1 Clarity Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56569 Stone Shape: ROUND BRILLIANT Diamond Weight: 0.38ct Clarity: I1
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

1.00 Carat Pear Brilliant Gia Certified X Color Si1 Clarity Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC55425 Stone Shape: PEAR MODIFIED BRILLIANT Diamond Weight: 1.00ct Clarity
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

Gia Certified 1.55 Carat Fancy Dark Yellowish Brown Vs2 Rectangular Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC53944 Stone Shape: CUT CORNERED RECTANGULAR MODIFIED BRILLIANT Diamond
Category

15th Century and Earlier Loose Antique Diamonds

Materials

Brown Diamond

0.71 Carat Circular Brilliant Gia Certified H Color I1 Clarity Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56630 Stone Shape: CIRCULAR BRILLIANT Diamond Weight: 0.71ct Clarity: I1
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

0.74 Carat Square Brilliant Gia Certified K Color I2 Clarity Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56895 Stone Shape: SQUARE MODIFIED BRILLIANT Diamond Weight: 0.74ct
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

1.05 Carat Circular Brilliant Gia Certified I Color Vs2 Clarity Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56809 Stone Shape: CIRCULAR BRILLIANT Diamond Weight: 1.05ct Clarity: VS2
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

1.02 Carat Round Brilliant Gia Certified G Color Vs2 Clarity Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56705 Stone Shape: ROUND BRILLIANT Diamond Weight: 1.02ct Clarity: VS2
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

1.16 Carat Heart Brilliant Gia Certified I Color Vs2 Clarity Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56905 Stone Shape: HEART MODIFIED BRILLIANT Diamond Weight: 1.16ct
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

Radiant GIA Certified 0.25CT Fancy Pink Round Brilliant Diamond With VS1 Clarity
Located in New York, NY
ITEM DESCRIPTION ID #: 55125 Stone Shape: Round Diamond Weight: 0.25CT Clarity: VS1 Color: Faint
Category

15th Century and Earlier Loose Antique Diamonds

Materials

Pink Diamond

0.75 CARAT MARQUISE BRILLIANT GIA CERTIFIED U to v RANGE SI2 CLARITY DIAMOND
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56890 Stone Shape: MARQUISE BRILLIANT Diamond Weight: 0.75ct Clarity: SI2
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

LFG Certified 3.78 K/VS1 Antique Old European Round Brilliant Cut Diamond
Located in Paris, FR
This Antique Old European Round Brilliant cut Diamond weights 3.78 carats with a K color (Beautiful
Category

1910s Unknown Belle Époque Loose Antique Diamonds

Materials

Diamond

2.01 Carat Pear Brilliant Gia Certified Fancy Grayish Greenish Yellow I1 Clarity
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56773 Stone Shape: PEAR MODIFIED BRILLIANT Diamond Weight: 2.01ct Clarity
Category

15th Century and Earlier Loose Antique Diamonds

Materials

Diamond

0.82 Carat Cushion Brilliant Gia Certified Fancy Light Brownish Greenish Yellow
Located in New York, NY
ITEM DESCRIPTION ID #: NYC55669 Stone Shape: CUSHION MODIFIED BRILLIANT Diamond Weight: 0.82ct
Category

15th Century and Earlier Loose Antique Diamonds

Materials

Diamond

Natural GIA Certified 0.51 Carat Tapered Baguette L, SI1
Located in New York, NY
ITEM DESCRIPTION ID #: NYC57802 Stone Shape: Tbag Diamond Weight: 0.51 Carat Clarity: SI1 Color: I
Category

17th Century Loose Antique Diamonds

Materials

Diamond

1.04 Carat Octagonal Brilliant Gia Certified Fancy Grayish Greenish Yellow I1 Cl
Located in New York, NY
ITEM DESCRIPTION ID #: NYC55551 Stone Shape: OCTAGONAL MODIFIED BRILLIANT Diamond Weight: 1.04ct
Category

15th Century and Earlier Loose Antique Diamonds

Materials

Diamond

0.72 Carat Cushion Brilliant Gia Certified Fancy Dark Brown-Greenish Yellow Diam
Located in New York, NY
ITEM DESCRIPTION ID #: NYC55132 Stone Shape: CUSHION MODIFIED BRILLIANT Diamond Weight: 0.72ct
Category

15th Century and Earlier Loose Antique Diamonds

Materials

Diamond

1.00 Carat Pear Brilliant Gia Certified Fancy Deep Brownish Greenish Yellow Si2
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56775 Stone Shape: PEAR MODIFIED BRILLIANT Diamond Weight: 1.00ct Clarity
Category

15th Century and Earlier Loose Antique Diamonds

Materials

Yellow Diamond

0.58 Carat Cushion Brilliant Gia Certified Fanyc Deep Orange Yellow Si1 Clarity
Located in New York, NY
ITEM DESCRIPTION ID #: NYC55693 Stone Shape: CUSHION MODIFIED BRILLIANT Diamond Weight: 0.58ct
Category

15th Century and Earlier Loose Antique Diamonds

Materials

Yellow Diamond

1.02 Carat Rectangular Brilliant Gia Certified Fancy Intense Orangy Yellow Diamo
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56547 Stone Shape: CUT-CORENRED RECTANGULAR MODIFIED BRILLIANT Diamond
Category

15th Century and Earlier Loose Antique Diamonds

Materials

White Diamond

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Loose Antique Diamonds For Sale on 1stDibs

Find an expansive variety of loose antique diamonds available on 1stDibs. Our collection, which features older pieces for sale from the 18th Century and newer versions made as recently as the 20th Century, has proven very popular over the years. Art Deco are consistently popular styles when it comes to loose antique diamonds. Today, if you’re looking for round cut loose antique diamonds and are unable to find the perfect match, our selection also includes princess cut and radiant cut alternatives. When shopping our range of loose antique diamonds, you’ll find that there are less available pieces for men today than there are for women.

How Much are Loose Antique Diamonds?

Prices for loose antique diamonds start at $2,150 and top out at $32,000 with these more-jewelry-watches, on average, selling for $3,850.
Questions About Loose Antique Diamonds
  • 1stDibs ExpertDecember 12, 2023
    Whether Cartier will set a loose diamond depends on the circumstances. If you purchased a piece of Cartier diamond jewelry and the stone has come loose, contact customer service for assistance with repairs. Cartier will usually not place a loose diamond that you purchased elsewhere in one of their settings. Find a wide range of Cartier diamond jewelry on 1stDibs.